Appeal No. 2000-0499
Application 08/716,431
would justify a departure from that principle in this case."
Sjolund v. Musland, 847 F.2d 1573, 1582, 6 USPQ2d 2020, 2027
(Fed. Cir. 1988). Additionally, we are further of the view
that the limitation appellant seeks to import into the claim
represents only a matter of degree with
respect to how much the cover is opened when the cover of
Coleman is subjected to greater internal pressure. As Coleman
makes
abundantly clear, the spring of the clamp therein disclosed
can be set to allow greater or lesser opening with respect to
the internal pressure in the container. Whether the entire
cover is released from sealing engagement, or only a portion
thereof, is a matter of choice determined by the user of the
Coleman container.
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